Gas-purifier.



No. 695,875. Patented Mar. I8, I902.

' J. S. DONUHUE.

GAS PUBIFIER.

(Application filed Jan. 2, 1902.)

(No Model.)

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JAMES S. DONOIIUE, OF GEORGETOWN, DISTRICT OF COLUMBIA, ASSIGNOR OF ONE-HALF TO JAMES W. VVHELAN, OF GEORGETOWN, DISTRICT OF COLUMBIA.

GAS-I-PURIFIER.

SPECEFIGATION forming part of Letters Patent No. 695,875, dated March 18, 1902. Application filed January 2, 1902. Serial No. 88,077. (No model.)

To aZZ whom it may concern.- I is an opening in the upper part of the Be it known that I, JAMES S. DONOHUE, a box, through which the benzin is poured in citizen of theUnited States,residing at Georgeand is provided with a tight cap 1'. An overtown, District of Columbia, have invented flow attachment K is provided for the ben- 50 5 certain new and useful Improvements in Gaszin about one and one-half inches above the Purifiers; and I do declare the following to level of the lower end of the chamber D. A be a full, clear, and exact description of the door I-I, near the bottom of the box, allows eninvention, such as will enable others skilled trance to remove the contaminated benzin in the art to which it appertains to make and and to cleanse the box. 55 use the same, reference being had to the ac- Arrows mark the course of the gas through eompanying drawings, and to the letters of my purifier in Fig.1 and through the by-pasreference marked thereon, which form a part sage in Fig. 2. of this specification. I have found that the introduction of steam My invention relates to means for arrestmay under very favorable conditions be dis- 6o [5 ing and removingimpurities from illuminat pensed with, the benzin alone being sulfiing and other gases after the gas has passed cient to arrest the naphthalene; but the use through the ordinary purifiers; and its object of the spray with the benzin insures a comis especially to remove naphthalene from the plete removal of the naphthalene. gas. The means I employ subjects the gas To use my improvement, open the valves 65 as it comes from the ordinary purifier first b and f in the pipes B and F and cut off the to a contact and ad mixture with a spray of flow of gas through the by-passage a with the steam, and, second, it causes the gas so treated valve A. Then turn on the spray of steam.

to pass through benzin or other naphthalene- I do not limit myself to the exact location arresting liquid. of the opening I or of the door H, as shown 70 The accom anvin drawings illustrate m in the drawin s as these ma be laced in t a .s y a a y p apparatus or system for arresting naphthaany preferred part of the box.

lene in gas. Having now described my invention and In the drawings, Figure 1 is a side elevathe manner of using it, I claim and desire to tion, partly in section, of the invention; and secure- I 75 0 Fig. 2 is a plan view of the invention with In a gas-purifier a box, an opening in the connecting-pipes. upper part thereof provided with a cover, a

Referring to the drawings, the letter A indoor in its side, an overflow attachment, a dicates a pipe leading from an ordinary purivertical chamber in the box having an open fier and having a valve A. bottom adapted to be immersed in a naphtha- 80 3 5 a is a by-passage, and a is the outlet. lene-arresting liquid, an inflow gas-pipe pro- A pipe 13 leads from pipe A into a box C vided with avalve conneetingwith said chamand is provided with a valve b. The pipe B ber, a steam-pipe opening into said chamber, enters a vertical chamber D in the box. A an outlet-pipe and a bypass provided with a steam-atomizer pipe E passes through the upvalve substantially as herein set forth. 8 5

per part of the box C and enters the cham- In testimony whereof I affix my signature ber D. The lower end of this chamber is in presence of two witnesses. open and is immersed in a supply of benzin G in the bottom of the box. JAMES DONOIIUE' F is a pipe opening into the box and con- \Vitnesses: veyingthegastherefrom,after treatment,into GEO. E. FRECH, the pipe a and is provided with a valve f. DAVID L. GITT. 

